MHT CET 2025 21st April Morning Shift

Identify substrate ' $A$ ' in the following reaction.
$\mathrm{A}+\mathrm{CO}_2 \xrightarrow[6 \text { atm }]{398 \mathrm{~K}}$ Sodium salicylate $\xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}}$Salicylic acid

Which from following compounds does NOT contain phenolic - OH group?

Identify the major product formed when 2-Methylhexan-3-ol is heated with concentrated sulphuric acid.

Identify the reagent ' $R$ ' used in the following reaction.
Ketone $\xrightarrow{\mathrm{R}}$ Semicarbazone

Calculate the energy per mole of photon of electromagnetic radiation having wavelength $700 \mathrm{~nm}\left[\mathrm{~h}=6.626 \times 10^{-34} \mathrm{Js}, \mathrm{c}=3 \times 10^8 \mathrm{~m} / \mathrm{s}\right]$

Which amino acid from following is NOT synthesized in our body?

Which carbon atom of glucopyranose numbered from $\mathrm{C}-1$ to $\mathrm{C}-6$ is anomeric?

Identify the correct decreasing order of boiling points for different organic compounds from following.

Which of the following molecules consist minimum lone pair of electrons in the valence shell of central atom?

Which of the following is Lewis base?

Calculate the time in seconds required to reduce the concentration of reactant to half of initial concentration for first order reaction if rate constant is $1.386 \times 10^{-3} \mathrm{~s}^{-1}$.

What is the order and molecularity respectively for the elementary reaction given below?
$$ \mathrm{O}_{3(\mathrm{~g})}+\mathrm{O}_{(\mathrm{g})} \longrightarrow 2 \mathrm{O}_{2(\mathrm{~g})} \text { if } \mathrm{r}=\mathrm{k}\left[\mathrm{...

Identify product A in following reaction.
\(\mathrm{C}_6 \mathrm{H}_5 \stackrel{+}{\mathrm{N}}_2 \mathrm{Cl}^{-} \xrightarrow{\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}} \mathrm{~A}+\mathrm{N}_2+\mathrm{CH}_3 \mathrm{CHO}+\mathrm{HCl}\)

Which from following cations will form most stable complex with same ligand?

What is the coordination number of Pt in cisplatin?

Which from following is a soft metal?

If $\operatorname{Ln}$ represents lanthanoid element find the general formula of lanthanoid hydroxide.

If standard emf of cell $\mathrm{Zn}_{(\mathrm{s})}\left|\mathrm{Zn}_{(\mathrm{iM})}^{+2}\right| \mathrm{Ag}_{(\mathrm{iM})}^{+1} \mid \mathrm{Ag}_{(\mathrm{s})}$ is 1.55 V .
What is electrical work done under standard conditions?

If $\mathrm{E}^*\left(\mathrm{Mg}^{+2}{ }_{(\mathrm{aq})} \mid \mathrm{Mg}_{(\mathrm{s})}\right)=-2.37 \mathrm{~V}$.
What is potential for $\mathrm{Mg}_{(\mathrm{s})} \rightarrow \mathrm{Mg}^{+2}(0.1 \mathrm{M})+2 \mathrm{e^-}$ at 298 K ?

Select false statement from the following regarding electrochemical cell.

Which of the following gases causes depletion in ozone layer?

Which of the following principal of green chemistry suggest use of chemicals made from plant based sources?

Which among the following is vinylic halide?

Identify the product obtained when alkenes are oxidised with $\mathrm{KMnO}_4$ in dil. $\mathrm{H}_2 \mathrm{SO}_4$.

Which of the following compounds has highest boiling point?

Which from the following reaction is a Fittig reaction?

What is the value of pH of a NaOH solution that dissociates $2 \%$ in its 0.01 M solution?

The solubility product of $\mathrm{PbI}_2$ is $1.08 \times 10^{-7}$.
Calculate its solubility in $\mathrm{mol} \mathrm{dm}^{-3}$ at 298 K .

What is the number of chiral carbon atoms present in 3,4-Dibromohexane?

Which from following functional groups has highest priority order for naming the polyfunctional group compounds?

What is IUPAC name of the following compound?

What is IUPAC name of the following compound?

Calculate molality of the solution containing nonvolatile solute if boiling point elevation of the solution is 0.2 K
\(\left[\mathrm{K}_{\mathrm{b}}=0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\right]\)

Calculate the temperature of 0.05 M sucrose solution in Kelvin if the osmotic pressure of the solution is 1.5 atm .
\(\left[\mathrm{R}=0.0821 \mathrm{dm}^3 \mathrm{~atm} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right]\)

Which of the following aqueous solutions exhibits lowest freezing point depression assuming complete dissociation?

Which of the following statements is false about interhalogen compounds?

Which from following compounds the thermocol is obtained?

Which from following is a thermosetting polymer?

Which is NOT correct regarding stock notation?

If a reaction occurs in following two steps
i. $2 \mathrm{ClO}^{-} \longrightarrow \mathrm{ClO}_2^{-}$
ii. $\mathrm{ClO}_2^{-}+\mathrm{ClO}^{-} \longrightarrow \mathrm{ClO}_3^{-}+\mathrm{Cl}^{-}$
Find the reaction intermediate.

Identify the product when magnesium burns in air.

Calculate the total number of tetrahedral and octahedral voids in 0.4 mol compound having such voids in it.

The mass of an atom present in unit cell is $4.4 \times 10^{-23} \mathrm{~g}$ and the product of density and volume of unit cell is $1.792 \times 10^{-22} \mathrm{~g}$. What is the type of cubic unit cell?

Identify the defect that develops when the ratio of number of cations to anions become different from that indicated by its chemical formula.

Find the number of moles present in 0.448 L of dihydrogen at STP.

What is the SI unit of rate of diffusion for a gas?

Identify the property of colloidal solutions so that colloidal particles move freely towards respective electrodes under an applied electrical potential.

Calculate the work done in following reaction at $27^{\circ} \mathrm{C}$.
$$ \begin{aligned} & 4 \mathrm{SO}_{2(\mathrm{~g})}+2 \mathrm{O}_{2(\mathrm{~g})} \longrightarrow 4 \mathrm{SO}_{3(\mathrm{~g})} \\ & \left(\mathrm{R}=8.314 \mathrm{~...

Which of the following set of thermodynamic conditions is true for the reaction to be spontaneous at high temperature?

Find standard enthalpy of formation of ammonia from following reaction.
\(\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(\mathrm{~g})} \longrightarrow 2 \mathrm{NH}_{3(\mathrm{~g})} ; \Delta_{\mathrm{r}} \mathrm{H}^0=-92.0 \mathrm{~kJ}\)